christian wrote:This depends on your Linux configuration. As far as I know, you can configure hotplug to set less restrictive permissions for particular USB devices. By default, only root has full access.

Hi all, with christian suggestions and some googling I used these simple instructions for adding permissions to users for using usb device:

How to add user permission for USBasp (I have tested this method in ubuntu 7.10):
source:http://www.bitpim.org/help/